According to an analysis by Gregory J. Palardy and Russell W. Rumberger, differences in teacher effectiveness have larger effects on young children’s outcomes in reading and math than do differences in teachers’ backgrounds factors such as level of education and types of certifications held. The teacher quality effects were also substantially greater than the effects for children’s families’ SES in their study and than the effects for class-size reduction (25 25 versus 15 students per classroom) reported in another study.
Professors Palardy and Rumberger arrived at this conclusion by analyzing data from a large data set that is representative of students in the US. They used a sophisticated analytic approach that permitted them to assess the effects of inputs, processes, and outputs at the school, classroom, and individual student levels.
This study uses Early Childhood Longitudinal Study data to investigate the importance of three general aspects of teacher effects—teacher background qualifications, attitudes, and instructional practices—to reading and math achievement gains in first grade. The results indicate that compared with instructional practices, background qualifications have less robust associations with achievement gains. These findings suggest that the No Child Left Behind Act’s “highly qualified teacher” provision, which screens teachers on the basis of their background qualifications, is insufficient for ensuring that classrooms are led by teachers who are effective in raising student achievement. To meet that objective, educational policy needs to be directed toward improving aspects of teaching, such as instructional practices and teacher attitudes.
Palardy, G. J., & Rumberger, R. W. (2008). Teacher effectiveness in first grade: The importance of background qualifications, attitudes, and instructional practices for student learning. Educational Evaluation and Policy Analysis, 30, 111-140.
Link to the abstract.
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